Home / 28,027.88-38,676.90-17,417.42

Finding the Fourth Proportional to 28,027.88, 38,676.90 and 17,417.42

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Solution

The fourth proportional to 28,027.88, 38,676.90 and 17,417.42 is: 24,035.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.88 : 38,676.90 = 17,417.42 : x
  2. Step 2: Convert to fraction form
    28,027.88/38,676.90 = 17,417.42/x
  3. Step 3: Cross multiply
    28,027.88x = 38,676.90 × 17,417.42
  4. Step 4: Simplify right side
    28,027.88x = 673,651,811.60
  5. Step 5: Solve for x
    x = 673,651,811.60/28,027.88
  6. Step 6: Final answer
    x = 24,035.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.